Liquid-fuel burner



April 21, 1925. 1,534,295

L. CAMPBELL, JR

LIQUID FUEL BURNER Filed De c. 13, 1922 INVENTOR. 101m CflMPfiELL J/i.

Lammmm M MEANY or MINN WWW WWW at RN @A BITJJL girl?" bu nercle i n d oh f the inv n tion j will" (fully 'set folith in *tljie fzfqllowingadescf ptiou in] 60111160131011 \With the vac 'compall yiffg drawi gs: in which fore usjedg howvenkhaye developdfmany Figgl iisfp cehtfzilivrtical sectiou thfough 2 is ausimildf-view shqwing a burner LI UID FUEDBU uEB illulst t e chag niuting {Withf considerable ffavor "owilrig f h ellminaitlo-n a Qf ashes; and 'r eduqed labor 1 nolted thefinece ssity of frequent clea ing; (If

dinary furnaue with minimum ,of trouble. 3 $11; is a jfurtheb} Object "of the, invenfcioh to,

5=P Qi 11m l lward y ih m i allko 1 a j l l z-F i l a i igi 'QlT id w m falshoulderedftop edge a nd a1 ingg61 y lowvelgedgd shouldered ,to fit on asa-ldmdp edge and this ring hasi itsl top portioh' eX- j 1 tending inwardly to ItEorm .an inturugd 1fiange; Supported up n"theplutefish vaporizing member cuulprising sa h0110w" head? offlaring orinverted conical shape; LThis h'adY, as s hownin Fig; Lhas an opem ing thrdugh itslowr portion and 9,11 out Waf dly 3 extending upturn e clflange .8 proj ects gfrom this opening;whichflflange, as will be be adjusted betwen wide limits as to the size oflithe flame"audithgamouutgof fugl copithkuppeij side of plate 4 coaxial with jthe Th'burr iifldfj the p lfseut invention. is: com once jiaporized Will travel downwardfisome distance abovdthe surface of said plate;

what in the trough formed by the rib 13 and quickly will be vaporized. 1t is possible for the fuel to pass around the all of the burner and it may thus be brought into contact with quite a large area of the inner wall of head 7. This vaporized fuel will pass through the central opening adjacent the bottom of the head 7 and will pass out between the fiangeS and the plate there thus being a plurality of passages radially outward between said plate and between the bosses or legs 9. The lugs 9 are located adjacent the edge of plate t and the passages between said lugs thus terminate adjacent the edges of plate 4. The air will enter between the grate bars 1 and pass upward in the casing 2 between the inner wall thereof and the edge of the plate l and flange 8. This air will thus pass adjacent the ends of the passages through which the vaporized fuel issues and av combustible mixture will be formed which will pass upward around the edge of the ring 6. This mixture will be directed inwardly by said ring and will then pass up about the head 7. The mixture will be ignited immediately adjacent the edge of the plate 6 and the flame will thus play upon the exterior wall of the head 7, which head will be heated and vaporize the fuel delivered to the inner wall thereof, as al ready described. It, for any reason, more oil is delivered than is vaporized. the same will be collected on plate l and if: the col lection of oil thereon is of suilicient depth to overflow the lug at the top of pipe 1 aid oil will pass downwardly through said i ipe. This oil, if desired, may be used to regulate a shut-oil valve for the pipe 10 in a n'ianner now well known in the art. It will, of course, be apparent that the top of the boss above pipe. 12 is in a lower plane than the edge of the plate -lso that no oil can collect in the plate 41: and run over the edge thereof. The top of the head. 7 is substantially flat, although the same is shown with a slight dished construction in order to more easily allow for expansion of the burner due to the heating thereof.

In the modification shown in Fig. 9., the casing 2 is used similar to the casing 2 and having a ring 6 at the top thereof. A plate 14; is supported in the casing 2 on lugs 5. The head 15 is flared or of mushroom shape substantially the same as the head 7 and the top of the ll01(, 15 is substantially horizontal although formed with a series of waves or corrugations designed to permit more ready expansion of the head when heated. The head 15 is provided with a rib 13 similar to the rib 13 in Fig. 1. This head 15 has a central opening at its lower side which is shouldered to fit over the shouldered edge of a member 16. This member 16 is illustrated as an open ended cylinder having projections or legs 17 adapted to rest upon the plate l-l. (laid member 16 has an imperforate bottom adjacent which are arranged a plurality of holes ertendi radially through the wall thereof and into which are threaded or otherwise secured. a plurality of pipes 18 inclined sli. .itlv downwardly and having their outer en adjzu the edge of the plate 14. it fuel inlet conduit is provided comprising the pipes in" and 11 threaded into a central hub on the plate 14, the pipe ll being bent slightly on its upper end to deliver into the groove or trough formed on rib 13. An outlet pipe 12 is also provided extending through the grate bars 1 and threaded into the plate it and a hub is formed on the upper side of said plate coaxial with the pipe l2". The plate let is also provided with a plnralitv of circuinferentially arranged apertures 1 each surrounded by an rip-raised flange at the upper side of said plate and a plate 20 is disposed under the plate l-l; in cont-act therewith carrying a hub rotatable on the pipe 10. This plate 20 is also provided with a plurality of eircumferentially arrangid holes adapted in one position to aline with the holes 14. When the plate 20 is rotated. however, the holes therein will be moved out of alinement with the holes 14: and the latter holes closed or partially closed by said plate. The plate 20 will also be irovided with a short arcuatc groove to accommodate the pipe 12?. Said plate can be turned by arm 22 secured to sleeve 21 on said plate, the sleeve 21 being supported on collar In operation, the fuel will be delivered under pressure or by gravity to the inlet conduits 10 and 11 and will be delivered to the inner wall of the head 15 in the groove formed by the rib 13". As the head 15 is heated this fuel will be vaporized, as above described. The vaporized fuel will pass to the lower part of the head into the portion 16 thereof an d will issue through the pipes 18. The air entering between the grate bars will pass upward through the casing 2 and through the opening between the edge of plate let and said casing. t will there be mixed with the vaporized fuel and the mixture will be directed inwardly by the member 6 and will rise about the head 15. The mixture will be ignited adjacent the edge of the member 6 and the flame formed will play about the head 15 and heat the same. With this structure of burner, the supply of fuel can be turned very low and small flames will burn adjacent the ends of the pipes 18. If any fuel should pass to the lower portion of head 15 and out tlnough the pipes 18 the same would be ignited and burn in the plate 1-1;. thus assisting in the vaporization. hen the burner is regulated so that there is a small flame burning at the ends of the pipes 18, the plate 20 may be turned to admit air through the apertures i ieysho 1O will; be provided with i I shit-able regulating} Valves 24 and; 24% respectively, which be either; mam-41 1311 or a-ntoinatieally Ycoiitrolledfl t e head 01; ,1

ofwvastesoaked in oil or torch such as now commo ly used jivlthoil bnrnere 1 1mm the abo ye description ibis seen that eflieient burner particularly adapted to he be veryeasilwquickly and inexpensively in of tl1e bi1 '1ier-'are furthermore, very dew and of, eimple con strnctlon and the as ery simple matter; ZSmall pressure is re slightly hi g ee nth an the ends of thelpipee Int practi Qthe inner; Wall of thehead l5 and flrarely travels star in the groovelthei'ein' beforebereason suchoperationfbecomes necessary "t w ll, ofpoureel be understood, that V211 rions' changes may be madem the "term, de-

a licaLnte invention wwhich 7 enerall l i i l l 7 7 b head. h

mentioned and last; inentioned jointed tothe top of 3 said. casing;

openings headbha '1 a substantially horizohfla top s ai al I ingjrea ersely curved at" its bottom \POIAO/IIXSOQ i andhaying said portion extending o ntwarda. ylcent allopeninglinte Qei 51mm, a ,platefspaced from and extending substantially par-allelic saidbctto n per-- tion, saidplatesupporting3 said head, and means for delivering fuelup-Wardly through lVhenthe burner is first etar-ted,

5 may beheated with a bunch 1mm forming- Stalled inthefstandard typeof furnace. It

- quires no special supporting means, The

aronndsaid headfl 2- sembhng ofthe:burnerin-the furnace s a quired to feed the oil matte burner orks very"succeesfnllyiiwith the storage tank lout A the liquid an s import/Jed, above stated soon after it is depositedon Ling completely taporized.v lti'will also be; obvious that the parts of the biime can be easilyhnd"quickly disassembled, if for any i tails l arran ement and rooortions of the; parts, Without departing from the scope of stated, consists, in th eEinatt-er shown and de-L I scribed and set forth; in the appended cla-iins.

i lower extendin'gfiangeg a dish supporting said head, 5 said head hating a plurality of ,1 ftiel o nings between the same and said, dish, air conclncting casing surrounding. and supportingt saiddish andfforming an air openihgbetween s'aid dish and said cas-" ingjandnneansiforisnpplying fuel to said 1 12. The stiiiaair 5a forth in ha a d an inwardly deflecting ring abovefsaid first ition 10ft; hollow vaporizing head having a radially}extending gflange ion" its lower end; a dish lenpportmg said :head, means form ng a. all plnralitygof fuel 'openingsbetween said dish? and said head, an; air inlet Leasing; Sui- 7 upportinglJsaiddish and a a I in-g Ijeinted to the m 1 of said i I casing; said: r ng deflecting thefuel o ntq the ,,w11i11 pipe I-Inay have connected editable shut-oil mechanism such a as now Well l known in the tart. l. will, b1 1 course; he 11nder ctood,that the pipes; 10 and i rounding" an combustible iniktnre isutormed di eted I 75 upwardlytowhe burhec about ea d h l i 171 11; -lnp'r srnw a 5, The structure set forth inclaim 4, and" and the bottoin portidn o fl said head adapt combustible mixture upwardly ed "to direct a V 6. A liquid fuelbnrner eoniprieing ai ijup; wardly" fla wardly flaring hollow head having an interio-r fconical chamber, fuel receivingjineansjb I ,jon the inner wall of said head, fuel snpply- V 111 means ektending upwardly into, said head: and adapted to t leliyerto Said fuel 1e celv 11g:means,oiltlet means tor fuel Vapor it at the lower'end o f saidhead, and ineans for 1 directing air l adjacent said outlet means and for; directing the shrrounding 1 mixture up Wardly to hebnrned'arouhd; said head;

8 oil burher having in eoinbination an upper portion including an npwardly fiaring-holldw head, a fuel supply mea-ns eiti -tendingnpwardly intos a-id head and adapt ed to deliver oil to the "inner :wall thereof sa d head having a eonstrlcted zone at t ts lower. end, 1 a casing surroundingqsaid {pom tio-n adjacent j its lower fend and 1 spaced i ,slightlyl therefrom, said portion having a" .pluralityof spaced passagescommunicating "with aid zoile' from; Jsaidhead leading to ward' 'said casing wherebyainpassing up through said casing will nix ,withthei gas lssuingfrom saidpassages to form a com a t hust ble mixturetoburn about the flaring dwell 0 f saidheada id heat the same. a

ring; hollow head having an inte rior conicalxchainber; fuel receivmgf ineans on thednner all ofsaid head, fuel supply:

9. An oil burner having in combination, an upper portion including an upwardly flaring hollow head having a constricted Zone at its lower end, and a plate member below said head, said portion having a plurality of passages communicating with said zone from said head and leading to adjacent the edge of said plate, said. head having a fuel receiving means on its inner wall, a fuel supply means extending into said head and delivering fuel to said lastmentioned means, and a casing open at its bottom l1aving' a top inwardly directed flange s ri'ound ing and spaced slightly from the edge of said plate.

10. An oil burner having in combination, an upper portion including an upwardly flaring hollow head having a costricled zone at its lower end and a dish-shaped plate therebeneath, a fuel supply inning QXl'JHllZIg i'lpvrardly into said head and adapted to de liver oil to the inner wall of said head, a ensing; surronndii'lp; said plate and lower par of said head having an upper inturned flange spaced slightly from the of said nn' shine.-

LORN oiilklPBEliL, lix.

ized fuel 1. 

